18036315684 has 60 divisors (see below), whose sum is σ = 47347977600. Its totient is φ = 5986924272.

The previous prime is 18036315673. The next prime is 18036315691. The reversal of 18036315684 is 48651363081.

18036315684 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 631 + 5 + 6 + 8 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39024 + ... + 193895.

It is an arithmetic number, because the mean of its divisors is an integer number (789132960).

Almost surely, 2^18036315684 is an apocalyptic number.

It is an amenable number.

18036315684 is an abundant number, since it is smaller than the sum of its proper divisors (29311661916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18036315684 is a wasteful number, since it uses less digits than its factorization.

18036315684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233174 (or 233163 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 18036315684 in words is "eighteen billion, thirty-six million, three hundred fifteen thousand, six hundred eighty-four".